Welsh Welsh Conservative leader Andrew RT Davies explains to our Political Editor Adrian Masters what their new policy means.
He says the 11-plus is "divisive", and instead "14 is a far better time to make choices - and I use the word choices, rather than selection - so that people when they come out of school, have the qualifications that are fit for the 21st century."
The Welsh Conservatives have proposed a return to a grammar school-style system, where pupils are separated into two streams - academic and vocational - at the age of 14.
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